Represents the method that writes strings to a certain location, such as the console window or a window in an integrated development environment.
MSBuild is now included in Visual Studio instead of the .NET Framework. You can use MSBuild 12.0 side-by-side with versions previously deployed with the .NET Framework.For more information, see What's New in MSBuild 12.0.
Namespace:  Microsoft.Build.BuildEngine
Assembly:  Microsoft.Build.Engine (in Microsoft.Build.Engine.dll)
Syntax
'Declaration
Public Delegate Sub WriteHandler ( _
    message As String _
)
public delegate void WriteHandler(
    string message
)
public delegate void WriteHandler(
    String^ message
)
type WriteHandler = 
    delegate of  
        message:string -> unit
JScript does not support delegates.
Parameters
- message 
 Type: System.String- The string to write.